// -------------------------------------------------
// BlinKit - BlinKit Library
// -------------------------------------------------
//   File Name: WebScrollbarThemeGeometryNative.h
// Description: WebScrollbarThemeGeometryNative Class
//      Author: Ziming Li
//     Created: 2021-07-27
// -------------------------------------------------
// Copyright (C) 2021 MingYang Software Technology.
// -------------------------------------------------

/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef WebScrollbarThemeGeometryNative_h
#define WebScrollbarThemeGeometryNative_h

#include "blinkit/blink/public/platform/web_scrollbar_theme_geometry.h"
#include "blinkit/blink/renderer/wtf/Allocator.h"
#include "blinkit/blink/renderer/wtf/Noncopyable.h"

namespace blink {

class ScrollbarTheme;
class WebScrollbar;

class WebScrollbarThemeGeometryNative : public WebScrollbarThemeGeometry
{
    WTF_MAKE_NONCOPYABLE(WebScrollbarThemeGeometryNative);
public:
    static std::unique_ptr<WebScrollbarThemeGeometryNative> create(ScrollbarTheme&);

    bool hasButtons(WebScrollbar*) override;
    bool hasThumb(WebScrollbar*) override;
    IntRect trackRect(WebScrollbar*) override;
    IntRect thumbRect(WebScrollbar*) override;
    IntRect backButtonStartRect(WebScrollbar*) override;
    IntRect backButtonEndRect(WebScrollbar*) override;
    IntRect forwardButtonStartRect(WebScrollbar*) override;
    IntRect forwardButtonEndRect(WebScrollbar*) override;

private:
    explicit WebScrollbarThemeGeometryNative(ScrollbarTheme&);

    // The theme is not owned by this class. It is assumed that the theme is a
    // static pointer and its lifetime is essentially infinite. Only thread-safe
    // functions on the theme can be called by this theme.
    ScrollbarTheme& m_theme;
};

} // namespace blink

#endif
